Specifications

Publication GMC-SG001E-EN-P — June 2001
1-8 Logix™
1756-M08SE 8-Axis SERCOS Interface Module Specifications
The following section contains general, fiber-optic, communication, and environmental specifications for
the 1756-M08SE ICP 8-Axis SERCOS interface module.
General Specifications
Fiber-Optic Specifications
Communication Specifications
Specification Description
Number of Axes 8 axes maximum
Module location 1756 ControlLogix chassis
Module keying Electronic
Power dissipation 3.2W maximum
Backplane current
• 5.1V DC @ 600 mA
• 24V DC @ 2.5 mA
Specification Description
Plastic Fiber Optic Specifications
Transmission Range
Core Diameter
Cladding Diameter
Cable Attenuation
Minimum Bend Radius
Operating Temperature
Connector
1-32 meters
980 µm ±60 µm
1,000 µm ±60 µm
140 dB/km @ 650 N-m (5,752.5 lb-in.)
24.765 mm (0.975 in.)
-55° C to 85° C (-131° F to 185° F)
F-SMA standard screw-type connector
Glass Fiber Optic Specifications
Transmission Range
Core Diameter
Cladding Diameter
Cable Attenuation
Minimum Bend Radius
Operating Temperature
Connector
1-200 meters
200 µm ±4 µm
230 µm +0/-10 µm
6.0 dB/km @ 820 N-m (7,257 lb-in.)
24.765 mm (0.975 in.)
-20° C to 85° C (68° F to 185° F)
F-SMA standard screw-type connector
Specification Description
SERCOS
SERCOS Class
Data Rate
Operating cycle
Class B (Position or Velocity)
4 Mbits per second
1 ms for 1-4 axes
2 ms for 5-8 axes